Schlieren airgun (only air) normal speed

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Shorts Lumikha

Quick test of a tiny QEV cannon firing air at 12atm, viewed through a Schlieren setup (no razor blade). Unedited at normal speed. I didn't quite understood the need for a razor blade but without one I still see the flow of air. For me, the razor blade just makes the dot of light smaller(?) If anyone can clarify me what the razor blade really does and where it should be placed (in the source of light or in the camera) I'd really appreciate. Also important to note that this is AWESOME to look with the naked eye but almost the dimmest light can blind you. I covered a tiny LED torch with aluminum foil and punctured a hole with a sewing needle, on the side! so that the LED doesn't bright directly through the hole. Take care with the eyes!!

🚀 We Took a Private Plane to Costco… Just for a Hot Dog! 🌭✈️ Flying a plane to Costco for a $1.50 hot dog? Yep, that happened. My friend Travis and I decided to take my airplane on a completely unnecessary flight to the nearest Costco—because why drive when you can FLY? This adventure was 100% impractical, way more expensive than just driving, and absolutely worth it! In this vlog, we take you along for the full experience—from preflight checks to landing near Costco, grabbing that legendary hot dog and soda combo, and flying back. Aviation lovers, Costco fans, and anyone who enjoys ridiculous but fun ideas—this one’s for you! ✈️ What’s Inside? ✅ Flying a private airplane for the cheapest meal in America ✅ The most expensive Costco hot dog ever ✅ Landing, parking, and navigating an airport for a snack run ✅ A totally unnecessary but epic aviation adventure Would you ever fly somewhere just for food? Let us know in the comments! #Aviation #Costco #FlyingToCostco #PrivatePlane #PilotLife #CostcoHotDog #Vlog #CheapEats #Adventure #FlightVlog

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